Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1989-03-31
1990-09-04
Kashnikow, Andres
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
182 2, 182 63, 182141, 254 10C, B66B 920, B66F 1104
Patent
active
049536664
ABSTRACT:
The invention provides an elevating apparatus for raising and lowering a work station holding personnel, equipment, and/or materials between a downward declining, compact retracted position and an upwardly inclining extended limit position. The work station is connected to a mobile support base by parallelogram first and second boom assemblies which are operatively interconnected by a boom assembly coupler and rigid compression link. Thus, raising or lowering the first boom assembly by hydraulic lift means causes the second boom assembly to move correspondingly such that the work station moves vertically, unaccompanied by any substantial horizontal motion, and is maintained in a level attitude throughout the range of motion of the apparatus.
REFERENCES:
patent: 3807575 (1974-04-01), Merrick
patent: 3842933 (1974-10-01), Clark
patent: 3888463 (1975-06-01), O'Brien et al.
patent: 3893540 (1975-07-01), Beucher
patent: 4019604 (1977-04-01), Benson
patent: 4360187 (1982-11-01), Chapman
DeRosa Kenneth
Kashnikow Andres
Strato-Lift,Inc.
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